English verb conjugation
CAN GROIN

Regular verb: groin - groined - groined

Affirmation

Simple form	V-ing form
I can groin you can groin he can groin we can groin you can groin they can groin	I can be groining you can be groining he can be groining we can be groining you can be groining they can be groining
Perfect	V-ing perfect
I can have groined you can have groined he can have groined we can have groined you can have groined they can have groined	I can have been groining you can have been groining he can have been groining we can have been groining you can have been groining they can have been groining

Negation

Simple form	V-ing form
I cannot groin you cannot groin he cannot groin we cannot groin you cannot groin they cannot groin	I cannot be groining you cannot be groining he cannot be groining we cannot be groining you cannot be groining they cannot be groining
Perfect	V-ing perfect
I cannot have groined you cannot have groined he cannot have groined we cannot have groined you cannot have groined they cannot have groined	I cannot have been groining you cannot have been groining he cannot have been groining we cannot have been groining you cannot have been groining they cannot have been groining

Interrogative form

Simple form	V-ing form
can I groin? can you groin? can he groin? can we groin? can you groin? can they groin?	can I be groining? can you be groining? can he be groining? can we be groining? can you be groining? can they be groining?
Perfect	V-ing perfect
can I have groined? can you have groined? can he have groined? can we have groined? can you have groined? can they have groined?	can I have been groining? can you have been groining? can he have been groining? can we have been groining? can you have been groining? can they have been groining?

Interro-negative form

Simple form	V-ing form
can I not groin? can you not groin? can he not groin? can we not groin? can you not groin? can they not groin?	can I not be groining? can you not be groining? can he not be groining? can we not be groining? can you not be groining? can they not be groining?
Perfect	V-ing perfect
can I not have groined? can you not have groined? can he not have groined? can we not have groined? can you not have groined? can they not have groined?	can I not have been groining? can you not have been groining? can he not have been groining? can we not have been groining? can you not have been groining? can they not have been groining?